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volcano's/earthquake

TermDefinition
Short Range early warning based on strains in the rocks near a fauly
long range cyclical and repetitive
Active volvanoes ex. ring of fire volcanoes that erupt
magma formation crust and upper mantle
Factors affecting eruption dissolved gases ---> water vapor, viscosity (temp. and chemical comp.)
characteristics of a explosive volcano high gases, viscosity, and silica
types of pyroclastic materials ash and dust cinder and lapilli blocks and lava bombs
factors affecting lava flows silica content ---> low temp.
pahoehoe hot fast smooth
aa cooler slower rough and jagged
sheild flat large made from lava flows
cinder steep erupts once ejected lava
oceanic- oceanic seduction volcanic island arc
oceanic Continental ocean plate is abducted continental volcanic arcs
fault fracture where movements have occurred
elastic rebound theory for cause of earthquakes, how energy is released
p waves, s waves, and surface waves all body waves
p waves compression waves push pull faster than s waves
s waves transverse waves slower than p waves
surface waves moves in all directions faster than p and s waves most destructive
Created by: sarahbeth2002
Popular Earth Science sets

 

 



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